/* 3D Cloud Preloader */
.preloader-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(
    250,
    250,
    248,
    0.2
  ); /* Semi-transparent Warm White for Glassy Effect */
  backdrop-filter: blur(15px); /* Strong blur for the "active page" vision */
  -webkit-backdrop-filter: blur(15px);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  transition:
    opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
    visibility 0.6s linear;
}

.preloader-overlay.hidden {
  opacity: 0;
  visibility: hidden;
}

.preloader-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
  /* Move content up slightly to center better visually */
  transform: translateY(-20px);
}

.preloader-cloud-container {
  position: relative;
  width: 150px;
  height: 100px;
  perspective: 800px;
  transform-style: preserve-3d;
}

/* 
   Cloud Puff Composition
   Using multiple soft, glowing circles to create a volumetric 3D cloud look.
*/
.cloud-puffs {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  animation: cloud-hover 3s ease-in-out infinite;
}

.puff {
  position: absolute;
  background: #ffffff;
  border-radius: 50%;
  /* Soft gradients for volumetric feel */
  /* Soft gradients for volumetric feel using Muted Blue */
  background: radial-gradient(
    circle at 30% 30%,
    #eef6fb 0%,
    #b0cfe5 40%,
    #6faed9 100%
  );
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.1),
    inset -5px -5px 15px rgba(0, 0, 0, 0.05);
  transform-style: preserve-3d;
  transition: all 0.5s ease;
}

/* 
    Positioning puffs to form a cloud shape 
    Base Cloud: Center + Left + Right lobes
    Top Cloud: Center Top lobe
*/

/* Center Main Body */
.puff:nth-child(1) {
  width: 60px;
  height: 60px;
  bottom: 0;
  left: 45px; /* Center */
  z-index: 2;
  transform: translateZ(20px);
  animation: pulse-puff 3s infinite 0.1s;
}

/* Left Lobe */
.puff:nth-child(2) {
  width: 50px;
  height: 50px;
  bottom: 5px;
  left: 10px;
  z-index: 1;
  transform: translateZ(0);
  animation: pulse-puff 3s infinite 0.3s;
}

/* Right Lobe */
.puff:nth-child(3) {
  width: 55px;
  height: 55px;
  bottom: 2px;
  right: 10px;
  z-index: 1;
  transform: translateZ(0);
  animation: pulse-puff 3s infinite 0.5s;
}

/* Top Lobe */
.puff:nth-child(4) {
  width: 55px;
  height: 55px;
  top: 10px;
  left: 30px;
  z-index: 3;
  transform: translateZ(40px);
  animation: pulse-puff 3s infinite 0s;
}

/* Extra filler lobe for density */
.puff:nth-child(5) {
  width: 45px;
  height: 45px;
  top: 20px;
  right: 25px;
  z-index: 2;
  transform: translateZ(20px);
  animation: pulse-puff 3s infinite 0.2s;
}

/* Shadow underneath */
.cloud-shadow {
  position: absolute;
  bottom: -30px;
  left: 10%;
  width: 80%;
  height: 20px;
  background: radial-gradient(
    ellipse at center,
    rgba(0, 0, 0, 0.2) 0%,
    rgba(0, 0, 0, 0) 70%
  );
  transform: rotateX(90deg) translateZ(0);
  filter: blur(5px);
  animation: shadow-scale 3s ease-in-out infinite;
}

/* Animations */
@keyframes cloud-hover {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-15px);
  }
}

@keyframes pulse-puff {
  0%,
  100% {
    transform: scale(1) translateZ(var(--tz, 0));
  }
  50% {
    transform: scale(1.05) translateZ(var(--tz, 0));
  }
}

@keyframes shadow-scale {
  0%,
  100% {
    transform: rotateX(90deg) scale(1);
    opacity: 0.2;
  }
  50% {
    transform: rotateX(90deg) scale(0.8);
    opacity: 0.1;
  }
}

/* Loading Text with Shimmer */
.preloader-text {
  font-family: "Poppins", sans-serif;
  font-weight: 600;
  font-size: 1.25rem;
  color: #1a1a1a; /* Almost Black */
  letter-spacing: 2px;
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
}

.preloader-text::after {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(47, 47, 47, 0.1),
    transparent
  );
  animation: shimmer 2.5s infinite;
}

@keyframes shimmer {
  100% {
    left: 100%;
  }
}
@media (max-width: 576px) {
  .preloader-cloud-container {
    transform: scale(0.8);
  }
  .preloader-text {
    font-size: 1rem;
    letter-spacing: 1px;
  }
}